{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "764",
    "entityType": "User",
    "nonce": "0xe925211655b464cc54d07ea74e569f69a84dbcb78b323fbd715024a4ff113ae8",
    "signature": "0x8382c0c0a290c939560dfaa2bde314454010b87f4d65137f45b02bbb953bef5c3bfe0514e6a66908a1fde5770ffa8ac685dd21ed95235d4553f2e5fa8bc688701c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}